JPS5961258A - 集中保守方式 - Google Patents

集中保守方式

Info

Publication number
JPS5961258A
JPS5961258A JP16954882A JP16954882A JPS5961258A JP S5961258 A JPS5961258 A JP S5961258A JP 16954882 A JP16954882 A JP 16954882A JP 16954882 A JP16954882 A JP 16954882A JP S5961258 A JPS5961258 A JP S5961258A
Authority
JP
Japan
Prior art keywords
clear signal
maintenance
network circuit
alarm
digital transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16954882A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234504B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hisao Kono
河野　久雄
Naoki Aihara
直樹 相原
Takashi Yokoto
横戸　隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16954882A priority Critical patent/JPS5961258A/ja
Publication of JPS5961258A publication Critical patent/JPS5961258A/ja
Publication of JPH0234504B2 publication Critical patent/JPH0234504B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/26—Automatic arrangements for signalling trouble in unoccupied sub-exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP16954882A 1982-09-30 1982-09-30 集中保守方式 Granted JPS5961258A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16954882A JPS5961258A (ja) 1982-09-30 1982-09-30 集中保守方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16954882A JPS5961258A (ja) 1982-09-30 1982-09-30 集中保守方式

Publications (2)

Publication Number Publication Date
JPS5961258A true JPS5961258A (ja) 1984-04-07
JPH0234504B2 JPH0234504B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-03

Family

ID=15888511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16954882A Granted JPS5961258A (ja) 1982-09-30 1982-09-30 集中保守方式

Country Status (1)

Country Link
JP (1) JPS5961258A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8074404B2 (en) * 2006-04-10 2011-12-13 Guibao Xue Double-layer cable-strut roof system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126406A (en) * 1978-03-24 1979-10-01 Nec Corp Trouble monitor system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126406A (en) * 1978-03-24 1979-10-01 Nec Corp Trouble monitor system

Also Published As

Publication number Publication date
JPH0234504B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-03

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